🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65

Radius: 8.2

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.56 AU - 0.74 AU

Year: 355 Days

Day: 11.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 7,177,613 km

• M1: 102,026 km (0.111 R)
• M2: 364,720 km (0.101 R)
• M3: 835,205 km (0.096 R)
• M4: 1,158,785 km (0.067 R)
• M5: 1,658,891 km (0.055 R)
• M6: 2,172,311 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.7

Radius: 12.1

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.56 AU - 0.76 AU

Year: 364 Days

Day: 6.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 7,177,613 km

• M1: 150,495 km (0.106 R)
• M2: 632,350 km (0.045 R)
• M3: 1,211,294 km (0.119 R)
• M4: 1,857,258 km (0.112 R)
• M5: 2,405,085 km (0.099 R)
• M6: 3,038,034 km (0.085 R)
• M7: 3,755,206 km (0.047 R)
• M8: 4,134,736 km (0.086 R)
• M9: 4,738,363 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.3

Radius: 12.3

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.67 AU - 0.83 AU

Year: 441 Days

Day: 10.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 7,177,613 km

• M1: 153,039 km (0.088 R)
• M2: 650,152 km (0.112 R)
• M3: 1,317,060 km (0.113 R)
• M4: 1,850,825 km (0.094 R)
• M5: 2,287,651 km (0.083 R)
• M6: 2,793,740 km (0.094 R)
• M7: 4,019,994 km (0.113 R)
• M8: 4,670,446 km (0.08 R)
• M9: 5,207,651 km (0.058 R)
• M10: 5,645,973 km (0.061 R)
• M11: 6,072,327 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.7

Radius: 10

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.71 AU - 0.89 AU

Year: 485 Days

Day: 7.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 7,177,613 km

• M1: 127,158 km (0.069 R)
• M2: 480,957 km (0.063 R)
• M3: 1,014,274 km (0.071 R)
• M4: 1,373,458 km (0.11 R)
• M5: 1,715,588 km (0.059 R)
• M6: 2,233,945 km (0.085 R)
• M7: 2,723,579 km (0.091 R)
• M8: 3,128,091 km (0.078 R)
• M9: 3,520,935 km (0.067 R)
• M10: 4,016,254 km (0.088 R)
• M11: 4,496,762 km (0.025 R)
• M12: 4,902,173 km (0.112 R)
• M13: 5,400,034 km (0.071 R)
• M14: 5,714,639 km (0.08 R)
• M15: 6,266,655 km (0.073 R)
• M16: 6,634,217 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.5

Radius: 9.3

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.67 AU - 1.11 AU

Year: 569 Days

Day: 11.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 7,177,613 km

• M1: 116,686 km (0.106 R)
• M2: 463,604 km (0.096 R)
• M3: 992,881 km (0.061 R)
• M4: 2,096,764 km (0.107 R)
• M5: 2,535,534 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.2

Radius: 12.6

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.7 AU - 1.1 AU

Year: 579 Days

Day: 7.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 7,177,613 km

• M1: 156,629 km (0.046 R)
• M2: 554,111 km (0.112 R)
• M3: 1,408,165 km (0.063 R)
• M4: 2,017,926 km (0.084 R)
• M5: 2,464,625 km (0.072 R)
• M6: 2,861,209 km (0.085 R)
• M7: 3,953,124 km (0.039 R)
• M8: 4,345,669 km (0.12 R)
• M9: 5,516,721 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.1

Radius: 10.1

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.3 AU - 1.7 AU

Year: 1246 Days

Day: 7.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 7,177,613 km

• M1: 125,662 km (0.104 R)
• M2: 692,040 km (0.074 R)
• M3: 1,083,687 km (0.119 R)
• M4: 1,453,194 km (0.079 R)
• M5: 1,934,450 km (0.11 R)
• M6: 2,575,477 km (0.027 R)
• M7: 2,915,513 km (0.109 R)
• M8: 3,420,406 km (0.117 R)
• M9: 4,555,854 km (0.087 R)
• M10: 5,201,069 km (0.077 R)
• M11: 5,555,616 km (0.059 R)
• M12: 5,886,377 km (0.075 R)
• M13: 6,523,514 km (0.081 R)
• M14: 8,431,934 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.5

Radius: 14.9

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.25 AU - 3.55 AU

Year: 3350 Days

Day: 10.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 149.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 7,177,613 km

• M1: 203,603 km (0.116 R)
• M2: 948,899 km (0.098 R)
• M3: 1,788,143 km (0.118 R)
• M4: 2,307,248 km (0.113 R)
• M5: 3,606,655 km (0.093 R)
• M6: 5,032,024 km (0.109 R)
• M7: 5,701,474 km (0.075 R)
• M8: 6,867,589 km (0.073 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 19,661 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit